package thread;

public class ThreadDemo2 {
    public static void main(String[] args) {
        Runnable r1=new Thread3();
        Runnable r2=new Thread4();

        Thread t1=new Thread(r1);
        Thread t2=new Thread(r2);

        t1.start();
        t2.start();
    }

}

class Thread3 implements Runnable{
    public void run(){
        for(int i=0;i<1000;i++){
            System.out.println("你是谁啊");
        }
    }
}

class Thread4 implements Runnable{
    public void run(){
        for(int i=0;i<1000;i++){
            System.out.println("开门查水表！");
        }
    }
}